[24-Mar-2013 20:49:50] PHP Warning: Invalid argument supplied for foreach() in /home/......./public_html/includes/functions/extra_functions/reward_points_functions.php on line 314

I keep seeing errors like this in the cache folder whenever a customers completes an order

I have just installed the latest version of reward points (i had 1.32a version and i upgraded to 1.33a for zen cart 1.3.9h) I just copied the new files over the old ones but i did not run any update sql patch - However i used to see this error and with the previous version)